ceph: remove unnecessary assignment in ceph_pre_init_acls()

ceph_pagelist_encode_string() will not fail in reserved case,
also, we do not check err code here, so remove unnecessary
assignment.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

fs/ceph/acl.c

@@ -222,8 +222,8 @@ int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
 		err = ceph_pagelist_reserve(pagelist, len + val_size2 + 8);
 		if (err)
 			goto out_err;
-		err = ceph_pagelist_encode_string(pagelist,
-						  XATTR_NAME_POSIX_ACL_DEFAULT, len);
+		ceph_pagelist_encode_string(pagelist,
+					  XATTR_NAME_POSIX_ACL_DEFAULT, len);
 		err = posix_acl_to_xattr(&init_user_ns, default_acl,
 					 tmp_buf, val_size2);
 		if (err < 0)